CVE-2023-23005

In the Linux kernel before 6.2, mm/memory-tiers.c misinterprets the alloc_memory_type return value (expects it to be NULL in the error case, whereas it is actually an error pointer). NOTE: this is disputed by third parties because there are no realistic cases in which a user can cause the alloc_memory_type error case to be reached.

Score

CVSS 3.1 5.5 Medium

Status

Modified - cve@mitre.org

Published

2023-03-01

Last modified

2025-03-19

Weaknesses

CWE-476

Affected products

• Linux Kernel (Linux)
• Linux Enterprise Server (Suse)

References

• https://bugzilla.suse.com/show_bug.cgi?id=1208844#c2
• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2
• https://github.com/torvalds/linux/commit/4a625ceee8a0ab0273534cb6b432ce6b331db5ee